CN115985656A - Distribution network voltage regulation phase modulation transformer wiring structure - Google Patents

Distribution network voltage regulation phase modulation transformer wiring structure Download PDF

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Publication number
CN115985656A
CN115985656A CN202310271818.6A CN202310271818A CN115985656A CN 115985656 A CN115985656 A CN 115985656A CN 202310271818 A CN202310271818 A CN 202310271818A CN 115985656 A CN115985656 A CN 115985656A
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China
Prior art keywords
transformer
threading
guide
guide way
leads
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CN202310271818.6A
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CN115985656B (en
Inventor
张静
于素梅
谢京
王永强
程从明
丁领
杨新
杨金勇
王岩
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Baoding Tianwei Baobian Electric Co Ltd
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Baoding Tianwei Baobian Electric Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50Arrangements for eliminating or reducing asymmetry in polyphase networks

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Abstract

The invention relates to a wiring structure of a voltage-regulating and phase-modulating transformer of a power distribution network. The phase transformer wiring structure belongs to the technical field of transformer wiring; the phase-change transformer wiring structure comprises a transformer core body, wherein a second end plate is arranged at one end of the transformer core body, a first end plate is arranged at the other end of the transformer core body, the first end plate is detachably provided with a plurality of groups of threading plates, the threading plates are spliced on the first end plate, so that leads on coils are conveniently connected when being led out, and the first leads and the second leads on one group of coils pass through corresponding threading holes after being guided and limited by guide blocks, the condition that adjacent first leads and adjacent second leads on the same group of coils are close to or in contact with each other is avoided, the safety distance between the first leads and the second leads is kept, and the short circuit phenomenon that the leads are easy to contact with each other during phase modulation of a transformer body is reduced.

Description

Distribution network voltage regulation phase modulation transformer wiring structure
Technical Field
The invention belongs to the technical field of transformer wiring, and particularly relates to a wiring structure of a voltage-regulating phase-modulating transformer of a power distribution network.
Background
The phase angle difference of two sides of the phase modulation transformer is continuously adjustable in a certain range, and the parallel power system can be controlled by adjusting the phase angle of the phase modulation transformer, so that the problem of uninterrupted power supply of a power distribution network transmission phase angle difference circuit is solved, and the power system is stable and efficient in operation. The phase angle change of the phase modulation transformer is realized by the on-load switch, and the phase modulation turns are changed by gradually shifting the on-load switch, so that the phase angle change is realized.
And the lead wire that connects on the winding of inner and outer lane is only established through a layer of thinner insulating skin cover and is drawn forth usually, and insulating skin easily squints on the lead wire, and interconnect between the adjacent winding even appears, and then the scope is beated too greatly when making the circuit short circuit appear during the phase modulation, phase angle mediation, makes mistakes easily when stepping over the shelves step by step, and has formed the phenomenon that phase modulation transformer need frequent maintenance.
Therefore, a wiring structure of a voltage-regulating phase-modulating transformer of a power distribution network is provided for solving the defects.
Disclosure of Invention
The present invention is directed to solve the above problems and to provide a phase transformer connection structure with simple structure and reasonable design.
The invention realizes the purpose through the following technical scheme:
the utility model provides a distribution network pressure regulating phase modulation transformer wiring structure, includes the transformer core, the one end of transformer core is provided with the second end plate, and the other end is provided with first end plate, dismantled and assembled threading board that is provided with on the first end plate, the threading board is provided with the multiunit, and multiunit threading board equidistance distributes, the fixed guide block that is provided with in one side that the threading board is close to the transformer core, the one side that the transformer core was kept away from to the threading board is provided with the through wires hole, the upper surface of guide block is provided with first guide way, the lower surface of guide block is provided with the second guide way, the lower surface middle section position an organic whole of guide block is provided with the arc deflector, the arc deflector is the circular arc structure, the through wires hole that the one end intercommunication of second guide way corresponds, the other end distributes along the crooked orbit of arc deflector, and the second guide way this end runs through the arc deflector and keeps away from the one side of guide block, the through wires hole that the one end intercommunication of first guide way corresponds, the other end of first guide way runs through the one side that the guide way and keeps away from the threading board.
As a further optimized scheme of the invention, grooves are arranged on the inner walls of the first guide groove and the second guide groove, and a plurality of groups of grooves are arranged on the grooves.
According to the transformer phase modulation device, the plurality of groups of threading plates are spliced on the first end plate, so that the leads on the coils are conveniently connected when being led out, and the first leads and the second leads on one group of coils pass through the corresponding threading holes after being guided and limited by the guide blocks, so that the situation that the adjacent first leads and the second leads on the same group of coils are close to or contacted with each other is avoided, the safety distance between the first leads and the second leads is kept, and the short circuit phenomenon that the leads are easily contacted with each other when the transformer body is phase modulated is reduced.
Further, be provided with the arch on the insulating skin, when first lead wire and second lead wire passed corresponding first guide way and second guide way, can be inside by the block restriction, protruding block is in the recess that corresponds for the insulating skin is difficult for the skew, has insulating skin protection and can not appear circuit short circuit when making contact between the adjacent lead wire, the too big phenomenon of scope beat when the phase angle is mediated, makes difficult intercommunication each other between the adjacent lead wire and influences the phase angle and adjusts.
When the threading plate is operated, the lead wire can pass through the corresponding threading hole on the threading plate and then the threading plate is connected to the first end plate.
As a further optimization scheme of the invention, a coil is wound at the outer ring of the transformer core, extending parts at two ends of the coil are respectively a first lead and a second lead, the first lead passes through the first guide slot and the corresponding threading hole, and the second lead passes through the second guide slot and the corresponding threading hole.
As a further optimized scheme of the invention, the first lead and the second lead are sleeved with insulating skins, the outer surfaces of the insulating skins are fixedly provided with protrusions, the protrusions are provided with a plurality of groups, and the plurality of groups of protrusions correspond to the plurality of groups of grooves.
As a further optimization scheme of the invention, a clamping block is integrally arranged on one surface of the threading plate close to the first end plate, a clamping groove is arranged on one surface of the first end plate close to the threading plate, the clamping block is connected in the clamping groove in a sliding manner, the clamping block is in a trapezoidal block structure, and the width of one surface of the clamping block far away from the threading plate is larger than that of one surface of the clamping block close to the threading plate.
Specifically, the fixture block sliding fit of threading board bottom is in the draw-in groove, and the dismouting is fixed convenient, and wherein, but fixture block and draw-in groove interference fit use appurtenance: the hammer and the like can be stably clamped with each other when being knocked, so that the phenomenon that the clamping block is automatically moved out from the clamping groove when in use is avoided.
As a further optimization scheme of the invention, threaded holes are formed in both ends of the transformer core, threaded columns are fixedly arranged in the middle positions of one surfaces, close to the transformer core, of the second end plate and the first end plate, and the threaded columns are connected in the corresponding threaded holes in a threaded fit manner.
Wherein, the second end plate and the first end plate are also detachably connected on the transformer core body, and the connection and the use are convenient.
The invention has the beneficial effects that: according to the transformer phase modulation device, the plurality of groups of threading plates are spliced on the first end plate, so that the leads on the coils are conveniently connected when being led out, and the first leads and the second leads on one group of coils pass through the corresponding threading holes after being guided and limited by the guide blocks, so that the situation that the adjacent first leads and the second leads on the same group of coils are close to or contacted with each other is avoided, the safety distance between the first leads and the second leads is kept, and the short circuit phenomenon that the leads are easily contacted with each other when the transformer body is phase modulated is reduced.
Be provided with the arch on the insulating skin, when first lead wire and second lead wire passed corresponding first guide way and second guide way, can be inside by the block restriction, protruding block is in the recess that corresponds for insulating skin is difficult for the skew, has insulating skin protection and can not appear circuit short circuit when making contact between the adjacent lead wire, the too big phenomenon of scope beat when the phase angle is mediated, makes difficult intercommunication each other between the adjacent lead wire and influences the phase angle and adjusts.
Drawings
FIG. 1 is a schematic diagram of the wiring structure of the voltage-regulating phase-modulating transformer of the power distribution network of the present invention;
FIG. 2 is another schematic view of the wiring structure of the voltage-regulating phase-modulating transformer for the power distribution network of the present invention;
FIG. 3 is a cross-sectional view of the wiring structure of the voltage-regulating and phase-modulating transformer of the power distribution network of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 2;
FIG. 6 is an enlarged view of the invention at C of FIG. 3;
FIG. 7 is a diagram of the arrangement of the phase modulation outlet labels of the voltage-regulating phase-modulating transformer 13 of the distribution network of the present invention;
fig. 8 is a connection diagram of a phase modulation load switch of 13 levels of a voltage-regulating phase-modulating transformer of a power distribution network.
In the figure: the phase modulation winding comprises an inner phase modulation winding 1, an outer phase modulation winding 2, a first end plate 3, a threading plate 4, a guide block 5, a threading hole 6, a threaded column 7, a coil 8, a first guide groove 9, an arc-shaped guide plate 10, a groove 11, a fixture block 12, a clamping groove 13, a first lead 14, a second lead 15, a second guide groove 16, a protrusion 17, a second end plate 18 and a transformer core 19.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 8, a distribution network voltage regulation and phase modulation transformer wiring structure, including transformer core 19, transformer core 19's one end is provided with second end plate 18, the other end is provided with first end plate 3, dismantled and assembled threading board 4 that is provided with on first end plate 3, threading board 4 is provided with the multiunit, multiunit threading board 4 equidistance distributes, threading board 4 is close to the fixed guide block 5 that is provided with in one side of transformer core 19, threading board 4 is provided with through wires hole 6 in the one side of keeping away from transformer core 19, the upper surface of guide block 5 is provided with first guide way 9, the lower surface of guide block 5 is provided with second guide way 16, the integrative arc deflector 10 that is provided with in lower surface middle section position of guide block 5, arc deflector 10 is the circular arc structure, the one end intercommunication of second guide way 16 corresponds through wires hole 6, the other end distributes along the crooked orbit of arc deflector 10, and this end of second guide way 16 runs through arc deflector 10 and keeps away from the one side of guide block 5, the one end intercommunication corresponding through wires hole 6 of first guide way 9, the other end of first guide way runs through 4 of guide way 5 and keeps away from the threading board.
Grooves 11 are formed in the inner walls of the first guide groove 9 and the second guide groove 16, and multiple groups of grooves 11 are formed in the grooves 11.
According to the invention, the plurality of groups of threading plates 4 are spliced on the first end plate 3, so that the leads on the coils 8 are conveniently connected when being led out, and the first leads 14 and the second leads 15 on one group of coils 8 pass through the corresponding threading holes 6 after being guided and limited by the guide blocks 5, so that the situation that the adjacent first leads 14 and the adjacent second leads 15 on the same group of coils 8 are close to or contacted with each other is avoided, the safety distance between the first leads 14 and the second leads 15 is kept, and the short circuit phenomenon that the leads are easy to contact with each other when the transformer body is phase-modulated is reduced.
Further, be provided with protruding 17 on the insulating skin, first lead 14 and second lead 15 can be restricted inside by the block when passing corresponding first guide way 9 and second guide way 16, protruding 17 block is in the recess 11 that corresponds for the insulating skin is difficult for the skew, has insulating skin protection and can not appear the circuit short circuit when making contact between the adjacent lead wire, the too big phenomenon of scope beat when the phase angle is mediated, make difficult intercommunication and influence the phase angle regulation between the adjacent lead wire.
During operation, the lead wire can pass through the corresponding threading hole 6 on the threading plate 4 and then the threading plate 4 is connected on the first end plate 3.
The coil 8 is wound at the outer ring of the transformer core 19, the extending parts at two ends of the coil 8 are respectively a first lead 14 and a second lead 15, the first lead 14 passes through the first guide slot 9 and the corresponding threading hole 6, and the second lead 15 passes through the second guide slot 16 and the corresponding threading hole 6.
The outside of first lead 14 and second lead 15 all is equipped with the insulation skin by the cover, and the external fixed surface of insulation skin is provided with arch 17, and arch 17 is provided with the multiunit, and multiunit arch 17 corresponds with multiunit recess 11.
One side an organic whole that threading plate 4 is close to first end plate 3 is provided with fixture block 12, and the one side that first end plate 3 is close to threading plate 4 is provided with draw-in groove 13, and fixture block 12 sliding connection is in draw-in groove 13, and fixture block 12 is trapezoidal block structure, and the one side width that threading plate 4 was kept away from to fixture block 12 is greater than the width that fixture block 12 is close to threading plate 4 one side.
Specifically, the fixture block 12 sliding fit of 4 bottoms on threading board is in draw-in groove 13, and the dismouting is fixed convenient, and wherein, but fixture block 12 and draw-in groove 13 interference fit use appurtenance: the clamping between the two parts can be stable only when a hammer and the like knock, and the phenomenon that the clamping block 12 is automatically moved out of the clamping groove 13 when the clamping device is used is avoided.
Both ends of transformer core 19 all are provided with the screw hole, and second end plate 18 and first end plate 3 are close to the one side middle part position of transformer core 19 and all fixedly are provided with screw post 7, and screw post 7 passes through screw-thread fit to be connected in the screw hole that corresponds.
The second end plate 18 and the first end plate 3 are also detachably connected to the transformer core 19, so that the connection and use are convenient.
Example 2
When the phase angle of the transformer is adjusted, the coil 7 can be set into an inner phase modulation winding 1 and an outer phase modulation winding 2, and when the phase modulation level of the voltage and phase modulation transformer of the power distribution network is +/-13, the phase modulation winding adopts a structure that 2 windings wind seven spiral inner and outer double phase modulation windings. The arrangement sequence of each tap is arranged according to the head mark of the figure 7, thereby not only ensuring the minimum loss generated by the circulation between the leads, but also being convenient for realizing the lead connection between the internal phase modulation winding and the external phase modulation winding. The lead wires of the phase modulation winding are orderly connected according to a predetermined mark number and connected to the load switch, and when the phase modulation stage number is an odd number, the end part of the phase modulation winding is connected with the positive and negative taps of the load switch. The phase modulation gears of the on-load switch are sequentially adjusted according to the sequence of figure 8, so that the phase angle adjustment of the voltage and phase regulating transformer is realized.
The phase modulation winding adopts a structure of a multi-spiral inner and outer double phase modulation winding. The tapping arrangement sequence of the inner phase modulation winding and the outer phase modulation winding is reasonably arranged, so that the minimum loss caused by circulating current between lead wires is ensured, and the lead wire connection between the inner phase modulation winding and the outer phase modulation winding is convenient to realize. The phase modulation windings are connected in sequence and connected to the load switch, and when the number of the phase modulation stages is odd, the end parts of the phase modulation windings are connected with positive and negative taps of the load switch. The phase modulation gears of the on-load switch are sequentially adjusted to change the phase angle of the voltage-regulating phase-modulating transformer.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (6)

1. The utility model provides a distribution network pressure regulating phase modulation transformer wiring structure, includes transformer core (19), its characterized in that, the one end of transformer core (19) is provided with second terminal plate (18), and the other end is provided with first terminal plate (3), dismantled and assembled threading board (4) that are provided with on first terminal plate (3), threading board (4) are provided with the multiunit, multiunit threading board (4) equidistance distributes, threading board (4) are close to one side fixed guide block (5) of transformer core (19), the one side that transformer core (19) were kept away from in threading board (4) is provided with threading hole (6), the upper surface of guide block (5) is provided with first guide way (9), the lower surface of guide block (5) is provided with second guide way (16), the lower surface middle section position an organic whole of guide block (5) is provided with arc guide board (10), arc guide board (10) are the circular arc structure, the one end intercommunication of second guide way (16) corresponds through threading hole (6), and the other end distributes along the crooked orbit of arc guide block (10), and the second guide way (16) the other end passes through first guide way (5) and the guide block (9) is kept through first guide way (9), and the guide way (5) is kept away from first guide way (9), and the guide block (9) is run through guide way (5) the one end intercommunication of guide block (6), and the guide way (5) is corresponding ) One side of (a).
2. The wiring structure of the voltage regulating and phase modulating transformer of the power distribution network according to claim 1, characterized in that: all be provided with recess (11) on the inner wall of first guide way (9) and second guide way (16), recess (11) are provided with the multiunit.
3. The wiring structure of the voltage regulating and phase modulating transformer of the power distribution network according to claim 2, characterized in that: the outer lane department of transformer core (19) twines coil (8), the both ends extension of coil (8) is first lead wire (14) and second lead wire (15) respectively, first lead wire (14) pass first guide way (9) and threading hole (6) that correspond, second lead wire (15) pass second guide way (16) and corresponding threading hole (6).
4. The distribution network voltage regulating phase modulating transformer wiring structure of claim 3, characterized in that: the outside of first lead wire (14) and second lead wire (15) all is equipped with the insulating skin, and the external fixed surface of insulating skin is provided with arch (17), arch (17) are provided with the multiunit, and multiunit arch (17) correspond with multiunit recess (11).
5. The distribution network voltage regulating phase modulating transformer wiring structure of claim 1, characterized in that: one side of the threading plate (4) close to the first end plate (3) is integrally provided with a clamping block (12), one side of the first end plate (3) close to the threading plate (4) is provided with a clamping groove (13), the clamping block (12) is slidably connected in the clamping groove (13), the clamping block (12) is of a trapezoidal block structure, and the width of one side of the threading plate (4) far away from the clamping block (12) is greater than the width of one side of the threading plate (4) close to the clamping block (12).
6. The wiring structure of the voltage regulating and phase modulating transformer of the power distribution network according to claim 1, characterized in that: both ends of transformer core (19) all are provided with the screw hole, second end plate (18) and first end plate (3) are close to one side middle part position of transformer core (19) and all fixedly are provided with screw thread post (7), screw thread post (7) are connected in the screw hole that corresponds through screw-thread fit.
CN202310271818.6A 2023-03-20 2023-03-20 Wiring structure of voltage and phase regulating transformer of power distribution network Active CN115985656B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1140811A (en) * 1995-07-06 1997-01-22 三田工业株式会社 Coil bobbin and exciting coil assembly
JP2002208520A (en) * 2001-01-10 2002-07-26 Tamura Seisakusho Co Ltd Small power supply transformer
JP2005086187A (en) * 2003-09-11 2005-03-31 Seiko Epson Corp Film and formation method therefor, semiconductor device, and manufacturing method therefor
CN101079345A (en) * 2006-05-26 2007-11-28 浙江三花制冷集团有限公司 Coil framework and electromagnetic coil
JPWO2005086187A1 (en) * 2004-03-09 2008-01-24 松下電器産業株式会社 Trance
JP2012099590A (en) * 2010-11-01 2012-05-24 Tdk Corp Transformer
US20130002385A1 (en) * 2011-06-30 2013-01-03 Samsung Electro-Mechanics Co., Ltd. Transformer and display device using the same
CN103632820A (en) * 2013-12-14 2014-03-12 广东广特电气有限公司 On-load adjustable capacity transformer low-voltage outgoing line structure
CN209418271U (en) * 2019-02-18 2019-09-20 海鸿电气有限公司 A kind of high-voltage lead of transformer structure
CN210136773U (en) * 2019-08-30 2020-03-10 合兴汽车电子股份有限公司 Coil skeleton texture
CN214254081U (en) * 2021-02-25 2021-09-21 上海波亮电器制造有限公司 Reactor wiring structure
JP2021170674A (en) * 2017-07-10 2021-10-28 Tdk株式会社 Coil device
CN113611513A (en) * 2021-07-23 2021-11-05 保定天威保变电气股份有限公司 Phase modulation transformer with large phase shift angle

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1140811A (en) * 1995-07-06 1997-01-22 三田工业株式会社 Coil bobbin and exciting coil assembly
JP2002208520A (en) * 2001-01-10 2002-07-26 Tamura Seisakusho Co Ltd Small power supply transformer
JP2005086187A (en) * 2003-09-11 2005-03-31 Seiko Epson Corp Film and formation method therefor, semiconductor device, and manufacturing method therefor
JPWO2005086187A1 (en) * 2004-03-09 2008-01-24 松下電器産業株式会社 Trance
CN101079345A (en) * 2006-05-26 2007-11-28 浙江三花制冷集团有限公司 Coil framework and electromagnetic coil
JP2012099590A (en) * 2010-11-01 2012-05-24 Tdk Corp Transformer
US20130002385A1 (en) * 2011-06-30 2013-01-03 Samsung Electro-Mechanics Co., Ltd. Transformer and display device using the same
CN103632820A (en) * 2013-12-14 2014-03-12 广东广特电气有限公司 On-load adjustable capacity transformer low-voltage outgoing line structure
JP2021170674A (en) * 2017-07-10 2021-10-28 Tdk株式会社 Coil device
CN209418271U (en) * 2019-02-18 2019-09-20 海鸿电气有限公司 A kind of high-voltage lead of transformer structure
CN210136773U (en) * 2019-08-30 2020-03-10 合兴汽车电子股份有限公司 Coil skeleton texture
CN214254081U (en) * 2021-02-25 2021-09-21 上海波亮电器制造有限公司 Reactor wiring structure
CN113611513A (en) * 2021-07-23 2021-11-05 保定天威保变电气股份有限公司 Phase modulation transformer with large phase shift angle

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